Daman hose fittings Germany Daman model Daman price

Daman hose fittings: In piping systems, elbows are pipe fittings used to change the direction of the pipeline. Classified by angle, the three most common types are 45° and 90°180°. Additionally, depending on engineering requirements, other non-standard angle elbows such as 60° are included. Elbow materials include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals, and plastics. Connection methods to pipes include: direct welding (the most common method), flange connection, hot melt connection, electrofusion connection, threaded connection, and socket connection. According to production processes, they can be divided into: welded elbows, stamped elbows, push-formed elbows, cast elbows, butt-weld elbows, etc. Other names: 90 degree elbow, right-angle elbow, etc.

Daman hose fitting principle

Quick-change couplings: one type with a check valve, and one type without a check valve. For applications with a check valve, the check valve end is connected to the air source. When disconnected, the check valve closes automatically; when connected, the moving pin opens the check valve. Self-locking is achieved by embedding steel balls into grooves, while a "cone-cylinder" sleeve locks the steel balls in place.

Daman hose fitting installation precautions

Pipe threads must meet requirements. Threading should be completed in two passes, using coolant during machining. Process threads to standard specified dimensions. Clean off any debris remaining on the threads or pipe ends, and apply rust inhibitor to the thread surface for corrosion protection and sealing. The engagement length of threaded connections should be tightened with appropriate torque using a pipe wrench in conjunction with the fitting's threaded connector. After connecting pipes and fittings, apply rust-proof sealant or zinc-rich paint to exposed threads, all tool marks, and surface damage. Do not install backwards when threaded connector heights differ. Locking methods must be reliable. For bolt structures subjected to bending moments, minimize thread loading to avoid bending stress on the bolts. Threaded holes should not pass through two welded parts. For deep blind holes, design corresponding bosses on the parts. The heads of fastening bolts for high-speed rotating bodies should not protrude.

Daman hose fitting structure

Introduction to the structure and features of metal hose fittings: DGJ self-fixing metal hose fittings connect unthreaded steel pipes or unthreaded equipment outlets to hoses, eliminating the need for threading. Metal fittings are die-cast from zinc alloy, with surfaces galvanized, matte-finished, or chrome-plated. They feature a compact structure and high strength. The connection between steel pipes and metal hoses is reliable and aesthetically pleasing. These self-fixing metal fittings are used to connect metal hoses to unthreaded steel pipes or unthreaded equipment outlets. Compatible metal hoses: JS type, JSH type, JSB type, JSHG type. Compatible steel pipes: thin-wall electrical conduit, black and white iron pipes (water and gas pipes). When selecting DGJ self-fixing metal hose fittings, please note the specifications and dimensions of the connecting steel pipes and hoses. Y shaped tee metal hose fittings: one end connects to thin-wall electrical conduit, while the other two ends connect to metal hoses. Metal fittings are die-cast from zinc alloy, with surfaces galvanized, matte-finished, or chrome-plated. They feature a compact, pore-free structure and high strength. The connection with metal hoses is reliable and aesthetically pleasing. Compatible metal hoses: JS type, JSH type, JSB type, JSHG type, with complete specifications available. Custom non-standard metal hose fittings and special metal fittings can be manufactured.

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